Further Reading

Linkage

Possibility of linkage among databases

Linkages to other registries require separate applications for permission.

Linkage

Possibility of linkage among databases

Linkages to other registries require separate applications for permission.

Linkage

Possibility of linkage among databases

Linkages to other registries require separate applications for permission.

Linkage

Possibility of linkage among databases

Linkages to other registries require separate applications for permission.

Data quality

Breaks

This representative postal survey (N= 5000 ) is based on a random sample for the Finnish population aged 15 - 64 years. The data is collected in the predefined study regions. The questionnaire, consistently mailed between April and June, has remained essentially the same over the years. The response rate was 80% when monitoring was first initiated. Nowadays the response rate is slightly under 60%.

Data quality

Breaks

This representative postal survey (N= 5000 ) is based on a random sample for the Finnish population aged 15 - 64 years. The data is collected in the predefined study regions. The questionnaire, consistently mailed between April and June, has remained essentially the same over the years. The response rate was 80% when monitoring was first initiated. Nowadays the response rate is slightly under 60%.

Data quality

Breaks

This representative postal survey (N= 5000 ) is based on a random sample for the Finnish population aged 15 - 64 years. The data is collected in the predefined study regions. The questionnaire, consistently mailed between April and June, has remained essentially the same over the years. The response rate was 80% when monitoring was first initiated. Nowadays the response rate is slightly under 60%.

Data quality

Breaks

This representative postal survey (N= 5000 ) is based on a random sample for the Finnish population aged 15 - 64 years. The data is collected in the predefined study regions. The questionnaire, consistently mailed between April and June, has remained essentially the same over the years. The response rate was 80% when monitoring was first initiated. Nowadays the response rate is slightly under 60%.